I saw Margaret's delight, too, shewn by every quick and thoughtful movement that could be of any service to me, and by a certain inexpressible air of deliverance which sat on her, I cannot tell how, from her bonnet down to her shoes.

The day of the 8th was passed by Lady Harriet and her companions in inexpressible anxiety: not a tent, not a shed was standing, except what belonged to the hospital: their refuge was among the wounded and the dying.

God, 'were perfectly original and unique, and would be well worth preserving, were it possible to give the tones and manner with the words; but no adequate idea of them can be written while the tones and manner remain inexpressible.

For her, accustomed so long to cruel privations, there was a kind of inexpressible charm in the calm silence of this retreat -- in the cheerful aspect of the garden, and above all, in the consciousness that she was indebted for this comfortable position, to the resignation and energy she had displayed, in the thick of the many severe trials which now ended so happily.

I like how the Century begins with "Not expressible; incapable of being expressed; that cannot be uttered or represented in words; unspeakable; unutterable: as, inexpressible grief or joy" and ends with "Trousers; “unmentionables.”"